نتایج جستجو برای: ear coning

تعداد نتایج: 38877  

2014
Hanzhou Li Quan Pan Xiaoxu Wang Juanni Zhang Jiang Li Xiangjun Jiang

A dynamic attitude measurement system (DAMS) is developed based on a laser inertial navigation system (LINS). Three factors of the dynamic attitude measurement error using LINS are analyzed: dynamic error, time synchronization and phase lag. An optimal coning errors compensation algorithm is used to reduce coning errors, and two-axis wobbling verification experiments are presented in the paper....

Journal: :Discrete & Computational Geometry 2010
Robert Connelly Walter Whiteley

Recent results have confirmed that the global rigidity of bar and joint frameworks on a graph G is a generic property in Euclidean spaces of all dimensions, although it is not known if there is a deterministic algorithm, that runs in polynomial time and space, to decide if a graph is generically globally rigid, although there is an algorithm [10] running in polynomial time and space that will d...

Journal: :JSW 2012
Qian Li Yueyang Ben Feng Sun Fei Yu Wei Gao

Rotation vector algorithm regarded as a classical and conventional attitude algorithm is widely used in strapdown inertial navigation system. This kind of algorithm usually uses incremental angle in calculation processes. However, the output of fiber-optic gyro is angular rate. Integrating angular rate to get incremental angle leads calculation errors. In this paper, a set of improved attitude ...

Journal: :Journal of Neurology & Neurophysiology 2013

1997

A Buekenhout-Tits unital is defined to be a unital in PG(2, q2) obtained by coning the Tits ovoid using Buekenhout’s parabolic method. The full linear collineation group stabilizing this unital is computed, and related design questions are also addressed. While the answers to the design questions are very similar to those obtained for Buekenhout-Metz unitals, the group theoretic results are qui...

Journal: :Forests 2022

Early cone formation is a consistent issue in Fraser fir Christmas tree plantations the eastern United States. Growers must remove cones by hand, resulting significant labor costs, as degrade aesthetic value of trees. In this study, we conducted two series experiments collaboration with several farms to determine effectiveness applying plant growth regulators (PGRs), specifically GA-inhibitors,...

Journal: :AJNR. American journal of neuroradiology 2008
A Aghaei Lasboo M C Hurley M T Walker D Surdell J K Song J M Rosenow A Shaibani

We report the use of an emergent, targeted fibrin spinal epidural blood patch with subarachnoid saline infusion to rapidly reverse "in-extremis" clinical and imaging signs of posterior-fossa coning brought about by acute-on-chronic intracranial hypotension, itself consequent to a cervicothoracic CSF leak. Treatment resulted in a dramatic recovery and eventual discharge with return to normal lif...

Journal: :Journal of Ocean Engineering and Technology 2015

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